News tagged with force
Thermochemical nanolithography now allows multiple chemicals on a chip
Dec 16, 2009 |
4.5 / 5 (4) |
0
(PhysOrg.com) -- Scientists at Georgia Tech have developed a nanolithographic technique that can produce high-resolution patterns of at least three different chemicals on a single chip at writing speeds of ...
Life after silicon: Using exotic materials to help microchips keep improving
Dec 08, 2009 |
4.5 / 5 (8) |
1
(PhysOrg.com) -- The huge increases in the power and capacity of computers, cell phones and communications networks in the last 40 years have been the result of ever-shrinking silicon transistors. But silicon ...
Argonne scientists to control attractive force for nanoelectromechanical systems
Dec 10, 2009 |
3 / 5 (2) |
1
Scientists at the U.S. Department of Energy's Argonne National Laboratory are developing a way to control the Casimir force, a quantum mechanical force, which attracts objects when they are only hundred nanometers apart.
Peptides control crystal growth with 'switches, throttles and brakes'
Nanotechnology / Bio & Medicine
Nov 23, 2009 |
4.8 / 5 (5) |
0
(PhysOrg.com) -- By producing some of the highest resolution images of peptides attaching to mineral surfaces, scientists have a deeper understanding how biomolecules manipulate the growth crystals. This research ...
A line on string theory
Nov 12, 2009 |
4.7 / 5 (47) |
15
(PhysOrg.com) -- A Harvard theoretical physicist has discussed with scientists at the Large Hadron Collider in Switzerland the possibility that they may discover a theorized "stau" particle, with a lifetime ...
Dark Matter May be Easier to Detect than Previously Thought
Aug 10, 2009 |
4.6 / 5 (30) |
44
(PhysOrg.com) -- The Milky Way, like many other galaxies, is thought to be embedded in massive, lumpy amounts of dark matter that release gamma rays and other emissions. Although at first these emissions seem ...
Spinons -- confined like quarks
Nov 29, 2009 |
4.5 / 5 (16) |
2
The concept of confinement is one of the central ideas in modern physics. The most famous example is that of quarks which bind together to form protons and neutrons. Now Prof. Bella Lake from Helmholtz-Zentrum Berlin (Germany) ...
NASA captures a visible image of Cleo's new eye
Space & Earth / Earth Sciences
Dec 08, 2009 |
not rated yet |
1
The Moderate Imaging Spectroradiometer or MODIS instrument that flies on NASA's Aqua satellite has amazing resolution from space, and captured Cleo's cloudless eye early this morning. Cleo has intensified ...
Britain's Royal Society puts rare scientific manuscripts online
Nov 30, 2009 |
5 / 5 (8) |
0
Historic manuscripts by Sir Isaac Newton, Benjamin Franklin and other ground-breaking scientists will be published online for the first time, Britain's Royal Society said Monday.
Possible Fifth Force Would Make Direct Detection of Dark Matter Unlikely
Mar 26, 2009 |
3.9 / 5 (40) |
52
(PhysOrg.com) -- No one knows exactly what a “fifth force” might be, but studies have shown that, if a long-range fifth force does exist, it could have surprising effects on the universe’s structure formation. ...
New Data Suggests We Don’t Live in a Void, and Supports Dark Energy
Jan 28, 2009 |
3.9 / 5 (36) |
75
(PhysOrg.com) -- An alternative proposal to dark energy in which the Earth sits near the center of a large void is undergoing scrutiny, and the results show that void models fit poorly with observed data. ...
Salt Water System Could Generate Hydrogen
Mar 18, 2009 |
3.9 / 5 (31) |
18
(PhysOrg.com) -- The idea of generating hydrogen from salt water has often been claimed to work effectively. However, the systems proposed so far generally require a much greater energy input than the energy ...
Physicists Measure Elusive 'Persistent Current' That Flows Forever
Oct 08, 2009 |
4.8 / 5 (58) |
16
(PhysOrg.com) -- Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire ...
Cyclogyro Flying Robot Improves its Angles of Attack
Jan 22, 2009 |
4.3 / 5 (9) |
3
(PhysOrg.com) -- In the past few decades, researchers have been investigating a variety of flying machines. Most studies have focused on improving the flying performance of standard flying mechanisms, rather ...
Scientists Image the 'Anatomy' of a Molecule (w/ Video)
Aug 28, 2009 |
4.8 / 5 (44) |
4
(PhysOrg.com) -- For the first time, IBM researchers in Zurich, Switzerland, have taken a 3D image of an individual molecule. Using an atomic force microscope, the researchers constructed a "force map" of ...
